Quality
Quality & Documentation
Certificates of Analysis, batch traceability and analytical documentation — what they show, what they don't, and what to look for.
3 articles
Quality
9 min
How to Read a Peptide COA: HPLC Purity, Mass Spectrometry & Batch Verification Explained
A researcher's guide to interpreting peptide Certificates of Analysis — how HPLC purity is measured, what mass spectrometry confirms, why batch traceability matters, and the red flags to watch for.
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Quality
5 min
Why Batch-Specific Peptide COAs Matter
The difference between a generic specification sheet and a batch-specific analytical report — and why traceability from vial to certificate is fundamental to research quality.
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Quality
5 min
How to Verify a Peptide Certificate of Analysis
A practical checklist for researchers evaluating the documentation attached to a research peptide — from product name and batch number through to analytical methods and consistency checks.
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